The S&P 500 is a stock index, in the basket of which 500 selected US joint-stock companies are included. On the S&P 500 chart online, you can watch the quotes of the index for today, make a prediction S&P 500 using technical analysis tools for tomorrow. Also watch the complete history of the S&P 500 index for 10 years. The stock index S&P 500 chart is updated in real time.